August 05, 2010

BCA 5th SEMESTER ASSIGNMENT

BACHELOR OF COMPUTER APPLICATION(BCA)
ASSIGNMENT OF 5th SEMESTER
ASSIGNMENT YEAR,2010

Course Code : CS-68
Course Title : Computer Networks
Assignment Number : BCA(5)CS-68/Assignment/2010
Maximum Marks : 25
Last Date of Submission : 30th April, 2010 (For January Session)
30th October, 2010 (For July Session)
Answer all the questions. You may use illustrations and diagrams to enhance applications.

Question 1: (i) Show the complete TCP/IP protocol suite and write their important features. (10 Marks)
(ii) List and describe the features of broadband and base band coaxial
cables (5 Marks)
(iii) How is data rate related to bandwidth? (5 Marks)

Question2: (i) How is LLC different from MAC sub layer? Describe the type of services provided by data link layer to the network layer? List three MAC sub layer protocols. (10 Marks)
(ii)List the advantages of sliding window mechanism in comparison to stop and weight mechanism. Also explain the operation of Go Back mechanism with the help of an example. (10 Marks)

Question 3: (i) List and describe services provided by Network layer, Transport layer and Application layer    (6 Marks)
(ii) Make a comparison between virtual circuit and datagram subnet (4 Marks)
(iii)Differentiate between flow and error control. (9 Marks)

Question 4: (i)What is the purpose of a bridge? Explain the functionality of a bridge with the help of an example. (10 Marks)

(ii) Describe the following terms:Cascaded Hub network, Half duplex and Full –Duplex Ethernet Hubs and Switching Hubs (6 Marks) .
(iii) What is the purpose of OSPF? (4 Marks)

Question 5: (i) What are the two types of ISDN services? Describe in detail
                                                                                 (10 Marks)
Explain the following concepts: (10 Marks)
Circuit Switching
Packet switching
Frame relay
Cell Relay
Course Code : BCS-061
Course Title : TCP/IP Programming
Assignment Number : BCA (5) BCS-061/Assignment/2010
Maximum Marks : 25
Last Date of Submission : 30th April, 2010 (For January Session)
30th October, 2010 (For July Session)
This assignment is having seven questions. Answer all the questions.

Question 1: Write a connection-oriented client and server program in C language, where client program interact with the Server as given below:
i) The client begins by sending a request, the server sends back a confirmation and its clock time to the client.
ii) The client sends a number and server replies as the square of that number to the client. (5 Marks)

Question 2: What is IPv6? Explain its need and important features those are not available in IPv4. (4 Marks)

Question 3: Compare the sliding window protocol of data link layer and transport layer.
(3Marks)

Question 4: What do you understand by a domain name? How is a domain name translated to an equivalent IP address?
(3 Marks)

Question 5: What are the special IP addresses? Give the special IP address for loopback.
(3 Marks)

Question 6: What is a mail server? Briefly explain specifying the protocols involved,how a sender can send a mail to the server and the recipient retrieves it from the server?
(4 Marks)

Question 7: Describe the various HTTP request methods.
(3 Marks)
Course Code : CS-69
Course Title : TCP/IP Programming
Assignment Number : BCA (5) CS-69/Assignment/2010
Maximum Marks : 100 (Weightage 25)
Last Date of Submission : 30th April, 2010 (For January Session)
30th October, 2010 (For July Session)

This assignment is having five questions. Answer all the questions.
Question 1: Describe the following:
(i) DNS
(ii) Name Resolution
(iii) Subnet Masking
(iv) Urgent Pointer
(20 Marks)

Question 2: How does the TCP handle the issue of multiplexing? (10 Marks)
Question 3:(i) Identify the address classes of the following IP address:
(a) 255.255.190.0
(b) 216.111.52.12
(c) 150.156.10.10
                                                                           (6 Marks)
(ii) Suppose the class B network uses 20 out of 32 bits to define a network
address. How many Class B Network are possible in this case?
                                                                                              (9 Marks)
(iii) The size of the option field of an IP diagram is 20 bytes. What is the value of
HLEN field in binary?
                                                                                               (10 Marks)
Question 4: How does TCP handle the flow control problem? Explain it with the help of a diagram showing the status of sliding window at the different stages.
                                                                                                   (25 Marks)
Question 5: Describe the activities to be performed at every layer in the TCP model when information flows from layer to another layer.
(20 Marks)
Course Code : CS-70
Course Title : Software Engineering
Assignment Number : BCA(5)-70/Assignment/2010
Maximum Marks : 25
Last date of Submission : 30th April, 2010 (For January Session)
30th October, 2010 (For July Session)
There are two questions in this assignment. Answer all the questions. You may use illustrations and diagrams to enhance explanations.
Question 1: Develop SRS for Study Center Management System. Make assumptions, wherever necessary.    (15 Marks)
Question 2: Explain various activities involved in Software Project Management. (10 Marks)
Course Code : CS-71
Course Title : Computer Oriented Numerical Techniques
Assignment Number : BCA(5)-71/Assignment/2010
Maximum Marks : 25
Last date of Submission : 30th April, 2010 (For January Session)
30th October, 2010 (For July Session)
This assignment is having five questions. Answer all the questions.
Question.1 Solve the equation x4 – x – 10 = 0 by Newton-Raphson Method, correct to 3 decimal places, starting with x = 2. (5 Marks)

Question.2 Use any iterative method to solve: (5 Marks)
f(x) = cos x + sin x = 0
Question.3 Explain with examples: (5 Marks)
(i) Floating point representation of numbers
(ii) Pivoting
(iii) Rounding error in computation
(iv) III-conditioned equation
(v) Instability of algorithms
Question.4 Solve using Gauss-Elimination method: (5 Marks)
2x + 6y + 4z = 20
2x + 20y + 8z = 12
2x – 4y + 10z = -15
Quesiton.5 Compare the direct and iterative methods for solving simultaneous linear equations.
(5 Marks)